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Merge "Update placement upgrade docs for nova-api dependency on placement"

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Zuul 2018-05-19 01:55:38 +00:00 committed by Gerrit Code Review
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doc/source/user/placement.rst
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@ -288,6 +288,15 @@ Rocky (18.0.0)
`filter allocation candidates by aggregate membership`_.
This means you must upgrade the placement service before upgrading any
*nova-scheduler* services to Rocky.
* The ``nova-api`` service now requires the ``[placement]`` section to be
configured in nova.conf if you are using a separate config file just for
that service. This is because the ``nova-api`` service now needs to talk
to the placement service in order to (1) delete resource provider allocations
when deleting an instance and the ``nova-compute`` service on which that
instance is running is down and (2) delete a ``nova-compute`` service record
via the ``DELETE /os-services/{service_id}`` API. This change is idempotent
if ``[placement]`` is not configured in ``nova-api`` but it will result in
new warnings in the logs until configured.
REST API
========